LG TU550 Service Manual Download Page 110

Page: 110 / 186

LGE Internal Use Only

4. TROUBLE SHOOTING

- 111 -

4.18 Main microphone

U303

→

C222

→

MIC1P(MSM6275)

Start

MIC_BIAS(C217 or C218)

is 1.8V

Change main board

Make a call

Change the MIC

YES

Change the Main board

Make sound to MIC

Work well?

END

YES

Sine wave appears at

C222 ?

Summary of Contents for TU550

Page 1: ...Date May 2007 Issue 1 0 Service Manual Model TU550 Service Manual TU550 Internal Use Only ...

Page 2: ...ooting 93 4 8 Charger Troubleshooting 95 4 9 USB Troubleshooting 98 4 10 SIM Detect Troubleshooting 100 4 11 Camera Troubleshooting 101 4 12 Keypad Backlight Troubleshooting 102 4 13 Folder ON OFF Troubleshooting 103 4 14 Main LCD Troubleshooting 104 4 15 Audio Receiver Path 105 4 16 Headset path 107 4 17 Speaker phone path 109 4 18 Main microphone 111 4 19 Headset microphone 113 5 DOWNLOAD 115 5 ...

Page 4: ... or connected to it The manufacturer will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily di...

Page 5: ...interfere with sensitive laboratory equipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boar...

Page 6: ...Power 3 7V normal 1100 mAh Li Polymer Talk Time Over 180 min WCDMA Voice Over 180 min GSM Voice Stand by Time Over 250 Hrs WCDMA DRX 1 28 Over 250 Hrs GSM Paging period 5 Antenna Intenna Type LCD TFT Main LCD 2 262K 176 x 220 TFT Sub LCD 65K 96 x 96 LCD Backlight White LED Back Light Camera 1 3 Mega pixel CMOS Vibrator Yes Cylinder LED Indicator No C MIC Yes Receiver Yes Earphone Jack Yes 2 5mm Co...

Page 7: ...yp 3 50 V Min Shut Down 3 35 V Operation Temp 20 60 C Storage Temp 30 85 C Humidity 85 Max Reference Spec Min Typ Max Unit TA Power Available power 100 110 240 Vac No Item GSM DCS PCS 100k 1GHz 39dBm 9k 1GHz 39dBm MS allocated 1G A MHz 33dBm Channel 1G 12 75GHz 33dBm A M B MHz 39dBm Conducted B M 12 75GHz 33dBm 1 Spurious 100k 880MHz 60dBm 100k 880MHz 60dBm Emission 880M 915MHz 62dBm 880M 915MHz 6...

Page 8: ... MHz 53dBm B M 4GHz 47dBm B M 4GHz 47dBm 3 Frequency Error 0 1ppm 0 1ppm 4 Phase Error 5 RMS 5 RMS 20 PEAK 20 PEAK 3dB below reference sensitivity 3dB below reference sensitivity Frequency Error RA250 200Hz RA250 250Hz 5 Under Multipath and HT100 100Hz HT100 250Hz Interference Condition TU50 100Hz TU50 150Hz TU3 150Hz TU1 5 200Hz 0 100kHz 0 5dB 0 100kHz 0 5dB 200kHz 30dB 200kHz 30dB 250kHz 33dB 25...

Page 9: ...t should be Less than 55dB below the level of Wanted signal Power control Power Tolerance Power control Power Tolerance Level dBm dB Level dBm dB 5 33 3 0 30 3 6 31 3 1 28 3 7 29 3 2 26 3 8 27 3 3 24 3 9 25 3 4 22 3 10 23 3 5 20 3 8 Transmitter Output Power 11 21 3 6 18 3 12 19 3 7 16 3 13 17 3 8 14 3 14 15 3 9 12 4 15 13 3 10 10 4 16 11 5 11 8 4 17 9 5 12 6 4 18 7 5 13 4 4 19 5 5 14 2 5 15 0 5 9 ...

Page 10: ...p 10 equel command group 1 8 12 16 24 5 Minimum Output Power 50dBm 3 84MHz Qin Qout PCCH quality levels 6 Out of synchronization handling of output power Toff DPCCH Ior 22 28dB Ton DPCCH Ior 24 18dB 7 Transmit OFF Power 56dBm 3 84MHz 8 Transmit ON OFF Time Mask 25us PRACH CPCH uplinlk compressed mode 25us 9 Change of TFC Power varies according to the data rate DTX DPCH off minimize interference be...

Page 11: ...smit Intermodulation 31dBc 5MHz Interferer 40dBc 41dBc 10MHz Interferer 40dBc 16 Error Vector Magnitude EVM 17 5 20dBm 12 2K 1DPDCH 1DPCCH 17 Transmit OFF Power 15dB SF 4 768Kbps Multi code transmission No Item GSM DCS PCS 1 Sensitivity TCH FS Class II 105dBm 105dBm 2 Co Channel Rejection C Ic 7dB Storage 30 85 TCH FS Class II RBER TU high FH 3 Adjacent Channel 200kHz C Ia1 12dB C Ia1 12dB Rejecti...

Page 12: ...Blocking UE 20dBm output power Class3 44dBm 3 84MHz 15MHz UE 20dBm output power Class3 44dBm 3 84MHz f 2050 2095 and 2185 2230MHz UE 20dBm output power Class3 30dBm 3 84MHz f 2025 2050 and 5 Out band Blocking 2230 2255MHz UE 20dBm output power Class3 15dBm 3 84MHz f 1 2025 and 2255 12500MHz UE 20dBm output power Class3 6 Spurious Response 44dBm CW UE 20dBm output power Class3 46dBm CW 10MHz 7 Inte...

Page 13: ...0 05V Bar 4 3 3 9 0 05V Bar 3 2 3 77 0 05V Bar 2 1 3 7 0 05V Bar 1 Empty 3 6 0 05V Low Voltage 3 50 0 05V Stand by 3 60 0 05V Talk Warning message Blinking Interval 3min Stand by 1min Talk Power Off 3 35 0 05V Stand by Voice Call VT WCDMA Under 4 4 mA Under 366 mA DRX 1 28 Tx 12dBm GSM Under 4 4 mA Paging 5period Under 366 mA Under 7 0 mA Tx Max Bluetooth Connected Paging 9period Level Change WCDM...

Page 14: ...Sending INS Max 64 dBm0p 8 Idle Noise Receiving INR Nor Under 47 dBPA Max Under 36 dBPA 9 Sending Loudness Rating SLR 8 3dB 10 Receiving Loudness Rating RLR Nor 1 3 dB Max 12 3 dB 11 Side Tone Masking Rating STMR Min 25 dB 12 Echo Loss EL Min 40 dB 13 Sending Distortion SD Refer to Table 30 3 14 Receiving Distortion RD Refer to Table 30 4 15 Idle Noise Sending INS Max 55 dBm0p 16 Idle Noise Receiv...

Page 15: ...ng Charging Method CC CV Constant Current and Constant Voltage Maximum Charging Voltage 4 2 V Maximum Charging Current 650 mA Normal Battery Capacity 1100 mAh Charging Time Max 3 0 hours except for trickle charging time Full charging indication current charging icon stop current 80 mA Cut off voltage 3 35 V 2 PERFORMANCE 16 ...

Page 16: ...A All receivers and the UMTS transmitter use the radioOne1 Zero IF architecture to eliminate intermediate frequencies directly converting signals between RF and baseband The quad band GSM transmitters use a baseband to IF upconversion followed by an offset phaselocked loop that translates the GMSK modulated or 8 PSK modulated signal to RF 1 QUALCOMM s branded chipset that implements a Zero IF radi...

Page 17: ...F The RTR6250 output driver stages deliver fairly high level signals that are filtered and applied to the power amplifiers PA The PA output is routed to the antenna through a duplexer and switch module The shared GSM 850 GSM900 DCS 1800 and PCS 1900 transmit path begins with the same baseband interface from the MSM6275 IC that is used for the UMTS band A single GSM850 GSM900 DCS PCS quadrature upc...

Page 18: ... TU550 a common antenna connects to one of eight paths 1 UMTS 850 Rx Tx 2 UMTS 1900 Rx Tx 3 GSM 850 Rx 4 GSM 900 Rx 5 GSM 850 GSM 900 Tx Low Band Tx s share the same path 6 DCS 1800 Rx and 7 DCS 1800 PCS 1900 Tx High Band Tx s share the same path 8 PCS 1900 Rx UMTS operation requires simultaneous reception and transmission so the UMTS Rx Tx connection is routed to a duplexer that separates receive...

Page 19: ...lished in the switch module The GSM850 GSM900 DCS and PCS receive signals are routed to the RTR6250 through band selection filters and matching networks that transform single ended 50 Ω sources to differential impedances optimized for gain and noise figure Similar to the RFR the RTR input uses a differential configuration to improve second order inter modulation and common mode rejection performan...

Page 20: ...nconversion from the RF output frequency range to the IF range The two inputs to this downconversion mixer are formed as follows 1 The dual Tx VCO output operating in the desired RF output frequency range is buffered within the RTR6250 IC then applied to the mixer RF port 2 The LO Generation and Distribution circuits that deliver the transmit path s LO for the baseband to IF upconversion also prov...

Page 21: ... several output spectrum requirements and power supply current are critical The gain must be sufficient and variable to deliver the desired transmitter output power given the VCO output level the subsequent passive devices losses and the control set point The maximum and minimum transmitter output power levels depend upon the operating band class and mobile station class per the applicable standar...

Page 22: ...further extend receiver dynamic range The RFR6202 IC Figure 3 3 1 1 provides the UMTS Zero IF receiver signal path from RF to analog baseband The input gain stage implements MSM controlled gain adjustments to extend receiver dynamic range The amplifier output drives the RF port of the quadrature RF to baseband downconverter then the downconverted baseband outputs are routed to lowpass filters one ...

Page 23: ...essed by the LO generation and distribution circuits to create the quadrature downconverter LO signal The LO signal applied at the mixer ports are at a frequency different than the VCO frequency This assures that the VCO frequency is different than the RF frequency an important consideration for Zero IF processing QUALCOMM s Mobile Station Modem MSM6275 device provides status and control signaling...

Page 24: ...s filter and delivers fairly high level signals that are filtered and applied to the PA The PA device used in TU550 is Load Insensitive PA no need to use isolator and routed to the duplexer Tx port directly Transmit power is delivered from the duplexer to the antenna through the switch module The RTR6250 IC integrates LO generation and distribution circuits on chip substantially reducing off chip ...

Page 25: ...ration and disabled otherwise a dedicated MSM6275 IC signal UHF_VCO_EN enables the VCO The RFR6202 IC accommodates single ended or differential LO inputs if singleended either pin can be active AC couple the inactive pin to ground using an appropriately valued capacitor 12 pF is used in TU550 The 27 pF capacitor should be used to AC couple the active pin to the VCO signal Using only the selected V...

Page 26: ...e loop filter and applied to the VCO tuning the output frequency such that the error is decreased Ultimately the loop forces the error to approach zero and the PLL is phase and frequency locked Many key PLL performance characteristics are largely determined by the loop filter design stability transitory response settling time and phase noise 3 4 2 Transceiver PLL PLL1 All LO functional blocks for ...

Page 27: ... specified over a number of frequency ranges Two Tx to Rx isolation levels are critical to receiver performance Rx band isolation the transmitter is specified for out of band noise falling into the Rx band This noise leaks from the transmit path into the receive path and must be limited to avoid degrading receiver sensitivity The required Rx band isolation depends on the PA out of band noise level...

Page 28: ...mpliance with the applicable transmit power control standards Negative temperature compensation thermistor is used in the TU550 3 5 5 UMTS transmit power detector U107 LMV232TLX This detector couples PA output power level to calibrate the transmitter characteristic over the channel variation and temperature Its detector coupling range and converted voltage is based on diode sensitivity and transmi...

Page 29: ... the other for DCS PCS bands The module includes an internal reference voltage and integrated power control scheme for use in both GMSK and 8 PSK operation This facilitates fast and easy production calibration and reduces the number of external components required to complete a power control function The amplifier s power control range is typically 55 dB with the output power set by applying an an...

Page 30: ...les the feedback signal into the RTR6250 IC 3 5 8 UMTS Rx RF filter FL109 FL110 FL109 B7837 869 894MHz GSM850 Rx RF filter FL110 B7847 1805 1880MHz USPCS1800 Rx RF filter An RF filter is located between the UMTS LNA and mixer Insertion loss is important but not as critical as losses before the LNA The most important parameters of this component include Out of band rejection or attenuation levels u...

Page 31: ...ove applies for GSM bands as well See the data sheet for specific values Of course passband ripple and return loss are still important in all cases for the same reasons explained in the antenna switch module and duplexer sections 3 5 10 VCTCXO X102 TG 5001LA 19 2MHz The Voltage Controlled Temperature Compensated Crystal Oscillator VCTCXO provides the reference frequency for all RFIC synthesizers a...

Page 32: ...er performance When the phone is not in the UMTS mode the unused VCO must be turned off by UHF_VCO_EN signal from MSM6275 Using only the external UMTS_RX_VCO signal the LO generation and distribution circuits create the necessary LO signals for the quadrature down converter LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 33: ...2 Bluetooth M1 RB06A ANT101 ACS2450HBAM6 The MSM6275 includes BT baseband embedded BT 1 1 compliant baseband core so the other bluetooth components are an bluetooth RF module and Antenna Figure3 5 12 1 shows the bluetooth system architecture in the TU550 3 TECHNICAL BRIEF 34 Figure3 5 12 1 Bluetooth system architecture ...

Page 34: ...connectivity to peripherals Direct interface to digital camera module with video front end image processing Vocoder support AMR FR EFR HR Advanced 409 ball CSP packaging WCDMA Features supports release 99 June 2004 of the W CDMA FDD standard PS data rates supporting 384kbps DL 384kbps UL CS data rates supporting 64kbps DL 64kbps UL AMR all rates GSM Features Voice features FR EFR AMR HR Circuit sw...

Page 35: ...CS1900_Rx_SAW DCS1800_Rx_SAW Duplexer RFL6202 RX_SAW Duplexer PAM TX_SAW RX_SAW VCO VCTCXO RFR6202 RTR6250 EDGE PAM MSM6275 NAND Flash LCD LCD Main Sub SDRAM T Micro SD PM6650 IO_Conn USIM Camera 1 3M BlueTooth JTAG USB UART PAD KEY GSM850_Rx_SAW PAM TX_SAW 850 1900 SBI SBI SBI SBI HDET I Q I Q Dual Speaker Stereo Head Phone MIC Power GSM900_Rx_SAW coupler coupler Figure Simplified Block Diagram ...

Page 36: ...m QDSP 4000 PLL QDSP 4000 ARM 926ejs With Jazelle UMTS WCDMA processor BT 1 2 processor Rx ADC Tx DAC MP3 AAC EVRC QCELP AMR CMX MIDI EBI 1 EBI 2 Open GL ES 3D 2D MPEG 4 H 263 H 264 Keypad I F SD SDIO USB UART1 UART2 RUIM1 UART3 PMIC SBI Stereo Speaker Stereo Headset Earpiece MIC Micro SD Camera 1 3M KEY PAD I O Conn USB UART NAND Flash 512M SDRAM 512M LCD main sub PM6650 GSM GPRS EDGE processor U...

Page 37: ...m processes the packet data and modulates the up link traffic channel DCH 3 8 3 GSM Subsystem The GSM GPRS EGPRS subsystem reuses the MSM6250 GSM core It performs the digital GSM signal processing and PA gain controls for GPRS support The PA output level is controlled by an analog signal generated on the MSM In GSM mode the power profile ramps up before the burst and ramps down after the burst In ...

Page 38: ... HR In addition the QDSP4000 has modules to support the following audio functions DTMF tone generation DTMF tone detection Tx Rx volume controls Tx Rx automatic gain control AGC Rx Automatic Volume Control AVC EarSeal Echo Canceller ESEC Acoustic Echo Canceller AEC Noise Suppression NS and programmable 13 tap Type I FIR Tx Rx compensation filters The MSM6275 device s integrated ARM9TDMI processor ...

Page 39: ...lects parallel LCD interface and a UART interface The function of these pins is documented in the various software releases 3 8 11 UART The MSM6275 device employs three UARTs UART1 has dedicated pins while UART2 and UART3 share multiplexed pins UART1 for data UART2 can be used for USIM interface UART3 can be used for PM SBI interface 3 8 11 USB The MSM6275 device integrates a universal serial bus ...

Page 40: ...lated voltages needed to power the appropriate handset electronics It monitors and controls the power sources detecting which sources are applied verifying that they are within acceptable operational limits and coordinates battery and coin cell recharging while maintaining the handset electronics supply voltages Eight programmable output voltages are generated using low dropout voltage regulators ...

Page 42: ...detection circuitry to ascertain whether a valid external supply is applied or not For additional accuracy or to capture variations over time this voltage is routed internally to the housekeeping ADC via the analog multiplexer PM6650 circuits monitor voltages at VCHARGER and ICHARGE pins to determine which supply should be used and when to switch between the two supplies These pins are connected t...

Page 43: ...I control and powered from VDD is provided by the PM6650 IC The trickle charger is on chip programmable current source that supplies current from VDD to pin VBAT Trickle charging can be used for lithium ion and nickel based batteries with its performance specified below 3 2V The charging current is set to 80mA 3 TECHNICAL BRIEF 44 Parameter Min Typ Max Unit Trickle Current 60 80 100 mA ...

Page 44: ...tage Charging Constant voltage charging begins when the battery voltage reaches a target voltage 4 2V The end of constant voltage charging is commonly detected 10 of the full charging current 110mA Charging Method CC CV Constant Current Constant Voltage Maximum Charging Voltage 4 2V Maximum Charging Current 650mA Nominal Battery Capacity 1100 mAh Charger Voltage 4 6V Charging time Max 3h Except ti...

Page 45: ...ip select Synchronous burst memories supported burst NOR burst PSRAM Synchronous DRAM memories supported Byte addressable memory supporting 8 bit 16 bit and 32 bit accesses Pseudo SRAM PSRAM memory support EBI2 Features Support for asynchronous FLASH and SRAM 16bit 8bit Interface support for byte addressable 16bit devices UB_N LB_N signals 2Mbytes of memory per chip select Support for 8 bit 16bit ...

Page 46: ...19 MDDIH_STBN MDDIH_STBP A20 I2C_SCL_GPIO27 N16 I2C_SDA_GPIO26 K21 I_IM_CH0 AB25 I_IM_CH1 V25 I_IP_CH0 AC25 I_IP_CH1 W25 B13 I_OUT A13 I_OUT_N B8 GRFC1_AUX_SBDT_GPIO4 A8 GRFC2_GPIO5 D9 GRFC3_GPIO6 F10 H10 GRFC4_AUX_SBCK_GPIO7 GRFC5_AUX_SBST_GPIO8 D11 T23 GRFC7_GPIO10 GRFC8_GPIO11 B4 T19 GRFX6_GPIO9 AD26 GSM_PA_DAC_REF D6 GPIO40 GPIO42 D7 GPIO43 GPIO66 F8 GP_PDM1_PA_RANGE0 H17 GP_PDM2_PA_RANGE1 D17...

Page 47: ...0 TX Power Amp Enable ANT_SEL 0 2 Ant Switch Module Mode Selection WCDMA GSM Tx Rx DCS PCS Tx Rx GSM_PA_BAND GSM DCS PCS Band Selection of Power Amp GSM_PA_RAMP Power Amp Gain Control of APC_IC GSM_PA_EN Power Amp Gain Control Enable of APC_IC GSM_TX_VCO_0_EN_N GSM Band Tx VCO Enable of Dual VCO GSM_TX_VCO_1_EN_N DCS PCS Band Tx VCO Enable of Dual VCO 3 11 2 MSM Sub System 3 11 2 1 USIM Interface ...

Page 48: ...comply with the definition of a peripheral as specified in USB Specification Revision 1 1 Therefore by definition the USB interface is also compliant as a peripheral with the USB Specification Revision 2 0 The USB Specification Revision 1 1 defines two speeds of operation namely low speed 1 5 Mbps and full speed 12 Mbps both of which are supported by the MSM6275 GPIO_Map Name Note GPIO_96 UART_RXD...

Page 49: ...1 L23 UART3_CTS_N_GPIO86 UART3_DP_RX_DATA_GPIO85 M21 M19 UART3_DP_TX_DATA_GPIO84 N26 USB_DAT_VP USB_OE_TP_N N25 N23 USB_SE0_VM UART2_CTS_N_GPIO90 G6 E4 SBCK L21 SBDT J23 SBST H26 MMC_CLK_SDCC_CLK_GPIO31 M16 H14 MMC_CMD_GPIO30 MMC_DATA_SDCC_DAT0_GPIO32 L14 F7 GPIO39 D6 GPIO40 GPIO42 D7 GPIO44 GPIO64 F14 PM_SBDT PM_SBCK PM_SBST PM_INT_N PS_HOLD MMC_CMD UART_DTR UART_DCD_N UART_RI USIM_DATA USIM_RST_...

Page 50: ...arameters such as battery voltage temperature and RF power levels The MSM6275 device has six analog input pins which are multiplexed to the input of the internal HKADC Figure MSM6275 HKADC Block diagram Table HKADC channel table ADC Ch Signal Name Note HKADC0 AMUX_OUT RF PAM Temperature Check HKADC1 VBATT_SENSE Battery voltage level HKADC2 HDET1 RF PAM Power Level Detector HKADC3 TTY_ADC_DET Ear j...

Page 51: ...MP3 C BACK MENU Side MOD up FF ROW1 1 2 3 Left Up Side MOD down Play Pause ROW2 4 5 6 OK Right Side MOD function REW ROW3 7 8 9 SEND Option ROW4 0 Down Camera 8 HOT5 9 HOT3 2 OK 0 SND CLR KEY HOT4 1 RIGHT 6 LEFT 3 4 SEARCH DN 5 MENU UP 7 BACK 504 RIGHT500 501 SEARCH500 10K R403 HOT504 OK500 2 4 6 8 1 3 5 7 10K RA500 509 506 500 505 SND500 CLR500 503 HOT503 DN500 MENU500 507 BACK500 508 502 LEFT500...

Page 52: ...ining and service purposes 3 TECHNICAL BRIEF 53 Figure Keypad Circuit END KEY Side KEY ON_SW END SIDE KEY RB520S 30 D700 5 CN500 1 2 3 4 VA527 EVLC14S02050 51 R888 EVL14K02200 VA500 END D701 RB520S 30 KEY_COL 5 KEY_ROW 0 KEY_ROW 1 KEY_ROW 2 ON_SW_N PM_ON_SW_N Figure Keypad Circuit MOD KEY ...

Page 53: ...03 1u C501 VA602 EVLC18S02015 R501 EVLC18S02015 VA601 2 2K FB602 2 2K R500 G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL606 EVRC14S05Q030100R 0 1uF C500 C503 0 1u VREG_MSMP_2 7V 22 23 24 3 4 5 6 7 8 9 G3 G4 1 10 11 12 13 14 15 16 17 18 19 2 20 21 CN601 G1 G2 1u C502 C578 10u EVLC18S02015 VA600 C577 0 1u 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 I...

Page 54: ...2C port from MSM6275 Table Interface between Camera Module and Main Board in camera module Horizontal Sync O CAM_HSYNC 20 Camera I O Power I VREG_MSMP_2 7V 19 Camera reset signal I CAM_RESET_N 18 I2C Clock I I2C_SCL 17 Camera Analog Power I VREG_CAM_2 7V 15 GND GND GND 16 I2C command I O I2C_SDA 21 Data O CAM_DATA 6 22 Data O CAM_DATA 7 23 GND GND GND 24 Master Clock 12M I CAM_MCLK 3 Data O CAM_DA...

Page 55: ...backlight circuit which are driven by KYBD_BACKLIGHT line from PM6650 3 TECHNICAL BRIEF 56 Figure Schematic of Folder ON OFF detection circuit For Hall Sensor 0 01u C489 VREG_MSMP_2 7V R504 100K 62 R402 0 1uF C410 3 GND1 GND2 4 2 NC1 5 NC2 1 OUTPUT 7 PGND 6 VDD U504 A3212EEH T FOLDER_DETECT Figure Keypad Backlight Circuit KEY_BACK_LIGHT LD525 LD523 R451 100 LD527 R457 100 R1045 100 LD507 R452 100 ...

Page 56: ...ch diagonally measured active display area with 176 RGB X220 resolution and sub Module has a 1 17 inch diagonally measured active display area with 96 RGB X96 resolution Each pixel is divided into Red Green and Blue sub pixels and dots which are arranged in vertical stripes Features Display mode Normally White Transmissive TN mode 262K colors LCD Driver HCD66784RBP All in One Driving Method A Si T...

Page 57: ...Inc All right reserved Only for training and service purposes 3 11 9 Display LCD FPC Interface LCD module is connected to LCD FPCB with 50 pin Zip connector AXT450164 Matsushita The LCD module is controlled by 16 bit EBI2 in MSM6275 3 TECHNICAL BRIEF 58 ...

Page 58: ...o fit in GSM WCDMA frame format and delivered to RF Chipset The downlink path amplifies the signal from DBB chip MSM6275 and outputs it to receiver or speaker The receive path can be directed to either one of two earphone amplifiers or the auxiliary output The outputs earphone1 EAR1OP EAR1ON and auxiliary out AUXOP AUXON are differential outputs Earphone2 EAR2 EAR3 is a single ended output stage d...

Page 59: ... R102 10K R104 0 1u C100 C103 0 015u 180K R111 R100 180K MICFBN MICFBP MICOUTN MICINP MICINN MICOUTP KJA PH 3 0059 Pull down Pull down C106 2200p C101 0 1u 2 2K R100 C118 10p C117 39p C104 33u C102 33u 2 2K R106 2 GND 1 OUT VCC 5 3 VIN VIN 4 VREG_MSMP_2 7V U101 NCS2200SQ2T2G 2200p C105 UCLAMP0505A 1 2 3 4 5 6 R107 U100 0 R102 1M VREG_MSMP_2 7V R109 100K 100 R201 100 R200 39p C108 C107 39p 330K R10...

Page 60: ...3 10u C1819 C223 39p 1K R202 R206 1K C217 10u 62K R208 C210 8200p C288 1000p R204 62K 12n C215 R213 0 12n C212 C224 10p C216 12n C211 12n C214 8200p R207 62K A2 GND1 B3 GND2 IN A1 IN C1 PVDD B2 B1 VDD VO C3 VO A3 C2 _SHDN A1 IN C1 PVDD B2 B1 VDD VO C3 VO A3 C2 _SHDN TPA2010D1YZF U507 TPA2010D1YZF U506 A2 GND1 B3 GND2 IN C213 1u 22n C222 MICBIAS VPWR SPK_R SPK_R SPK_L SPK_L VPWR SPK_AMP_EN MIC1P HP...

Page 61: ... Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Headset MP3 Headset Headset MIDI Bell Headset Speaker MP3 Loud Mode MP3 Speaker MIDI Bell Loud Mode MIDI Speaker Phone Loud Mode Headset Voice Call Headset Speaker Phone Loud Mode Speaker phone Receiver Voice Call Description Receiver Mode Voice Call Device MODE Table Audio Mode ...

Page 62: ... purposes 32 ohm receiver EMR1107SP Receiver 4 42 dB microphone SP0102BE3 U303 MIC 5 Ear jack KJA PH 3 0059 CON100 Ear jack 6 8 ohm Speaker EMS1735AP Loud Speaker 3 Class D Audio Amp Base Band Modem Note TPA2010D1YZF MSM6275 Maker Part No U507 U506 U200 Design No Audio amp MSM6275 Component 2 1 Table Audio main component list ...

Page 63: ...FT 2 Sub 65K TFT 1 3M Pixel CMOS VGA Camera dual 15 phi speaker Stereo Headset Speaker phone in GSM and WCDMA 72 Poly Sound MP3 AAC decoder and play MPEG4 encoder decoder and play save JPEG en decoder Supports Bluetooth USB 1 100 mAh Li Ion LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 64: ... TU550 Main Component LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Main board Top Main board Bottom Sub board Logic Audio RF Logic Audio Bluetoot h LCD FPCB ...

Page 65: ...ctronics Inc All right reserved Only for training and service purposes UHF VCO X100 GSM VCO X101 RFR6202 U108 WCDMA PAM U105 RTR6250 U101 GSM PAM U102 RFL6202 U109 Ant Switch module U100 Description Reference Description Reference U100 U102 U105 X101 U109 U101 U108 X100 ...

Page 66: ...onics Inc All right reserved Only for training and service purposes Microphone U303 Battery connector CN501 Memory U302 BT module M1 MSM6275 U200 USIM connector CON500 IO connector CN502 PMIC U400 Description Reference Description Reference U400 CON500 M1 CN501 CN502 U200 U302 U303 ...

Page 67: ...c All right reserved Only for training and service purposes LCD connector CN602 Coin cell battery BAT100 Camera connector CN601 Ear_jack connector CON100 Sub PCB connector CN600 Micro SD card slot S100 Description Reference Description Reference S100 CN600 CON100 BAT100 CN601 CN602 ...

Page 68: ... 69 4 TROUBLE SHOOTING 4 1 RF Component Bottom Side 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 70: ...007 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 71 4 2 SIGNAL PATH_UMTS RF Common TX RX UMTS 850 T RX UMTS 850 TX UMTS 850 RX UMTS 1900 T RX UMTS 1900 TX UMTS 1900 RX TX I Q RX I Q LO ...

Page 71: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 72 SIGNAL PATH_GSM RF Common TX RX DCS RX PCS RX GSM850 RX GSM900 RX DCS PCS TX GSM850 GSM900 TX TX I Q TX_MOD_CP ...

Page 72: ...rt and BB part Check 1 Crystal part If you already check this crystal part you can skip check 1 TCXO R1027 100K VREG_BT_2 85V 0 01u C1132 OUT 3 4 VCC 1 VCONT X102 19 2MHz GND 2 0 1uF C1130 R1023 100 C1135 1000p C1134 1000p 1000p C1131 C1136 1000p VREG_TCXO_2 85V C1137 1000p TC7S04FU U110 GND 3 2 4 VCC 5 100p C1133 RFR6202_TCXO TRK_LO_ADJ RTR6250_TCXO TCXO_PM TCXO_BT TP1 TP3 TP2 TP4 Schematic of th...

Page 73: ... 74 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Check R400 of PMIC U400 Check R223 of MSM U200 ...

Page 74: ...33p C1023 1K R1001 C1026 NA 000 56p C1007 33p NA L104 1 IN 3 O1 4 O2 B7837 FL102 2 G1 5 G2 1K R1002 p 33p C1008 15nH 6 8nH L111 30 NC9 PGND1 29 31 PGND2 RX1 5 4 RX2 RX3 3 2 RX4 21 TRX1 19 TRX2 TX1 13 TX2 11 25 VDD GND1 1 6 GND2 12 GND3 18 GND4 GND5 20 GND6 22 GND7 24 NC1 7 32 NC10 8 NC2 NC3 9 10 NC4 14 NC5 NC6 15 16 NC7 NC8 17 CXG1198AEQ U100 23 ANT CTL A 26 27 CTL B CTL C 28 33p C1011 0 1uF C1010...

Page 75: ...service purposes Check Soldering of ANT_SEL0 1 2 High Level 2 5V Voltgae 3 0V Check VCC TP1 VREG_RFRX_0_2 85V Check the Logic in each mode YES NO IN_A IN_B IN_C GSM900 GSM850 TX HIGH HIGH LOW DCS PCS TX HIGH LOW LOW GSM 850 RX LOW HIGH LOW UMTS 850 HIGH LOW HIGH DCS RX LOW HIGH HIGH PCS RX LOW LOW HIGH UMTS 1900 HIGH HIGH HIGH GSM900 RX LOW LOW LOW Logic Table of the Antenna Switch ...

Page 76: ...5 Checking UMTS Block 4 5 1 Checking TX POWER of UMTS 1900MHz LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Test Point RF TX POWER of UMTS1900 TP3 TP2 TP1 TP4 ...

Page 77: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 78 For testing Max power of UMTS 1900MHz is needed ...

Page 78: ...E SHOOTING 4 5 2 Checking TX POWER of UMTS 850MHz LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes TP3 TP2 TP1 TP4 Test Point RF TX POWER of UMTS 850 ...

Page 79: ...nk fre to 4135 Click TX On and WCDMA set PA range R0 and R1 on set Tx AGC to 430 Check a current over 500mA Check TP1 over 25dBm Check TP2 over 23dBm Check TP3 over 22dBm Tx is OK Check ohter parts Check a Coupler U106 and a solding of L160 Check a Duplexer and a solding of C1075 Check ANT SW Module U100 Check Tx SAW Filter and a solding of C1105 Check TP4 over 5dBm Check PAM block Refer to 3 5 4 ...

Page 80: ...able 2 TX_AGC_ADJ UMTS RTR6250 Tx Amp Gain Control 3 VREG UMTS PAM enable 62HDET_EN must be high over 2 75V VREF must be high over 2 85V LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes UMTS 850 Coupler UMTS 1900 Couplar UMTS Dual PAM VREG_UMTS 1900 VREG_UMTS 850 ...

Page 81: ...1084 C1090 0 5p R1032 22 C1078 100p NA C1085 L145 5 6nH 15nH L152 C1823 NA B7838 FL109 2 G1 5 G2 1 IN 3 O1 4 O2 3 3p C1087 L153 1 5nH C1 UMTS_H_IN 4 UMTS_H_OUT 11 UMTS_L_BIAS 2 UMTS_L_IN 1 13 UMTS_L_OUT 15 VDDA VDDM 9 GND1 5 6 GND2 GND3 12 GND4 14 17 PGND R_BIAS 16 7 SBCK 10 SBDT SBST 8 UMTS_H_BIAS 3 RFL6202 U109 L149 4 7nH 47nH L148 L141 68nH R1033 22 VREG_MSMP_2 7V 100p C1091 C1081 0 1uF 2 7p C1...

Page 82: ... training and service purposes Set the Phone Rx is ON Check bias1 bias1 Over 2V Check vias block solding Check TP1 Signal exist Check ANT100 Check TP2 TP2 Signal exist Check ANT SW Module U100 Check Duplxer FL106 FL107 Check RFL6202 and FL109 FL110 Rx is OK Check other Parts Check TP3 TP3 Signal exist Check TP4 TP4 Signal exist Yes No No No No No ...

Page 83: ...LG Electronics Inc All right reserved Only for training and service purposes 4 6 Checking GSM Block 4 TROUBLE SHOOTING 84 1 Check TXVCO Block 2 Check ANT SW Module 3 Check Tx PAM Block 5 Re download SW CAL 4 Check RF Rx Level START 2 3 4 1 ...

Page 84: ...HU1C562JX5 100 33p C1063 R1018 270 R1021 220 R1017 100 1000p C1054 R1016 15 C1040 330p 12 GND6 GND7 13 14 GND8 OUT_DCSPCS 5 OUT_GSM 1 SW1 9 SW2 11 VB 3 10 VC X101 MQW5V0C869M 2 GND1 4 GND2 6 GND3 GND4 7 8 GND5 R1014 15 0 1uF C1064 270 R1019 100 R1015 C1065 15p 33p C1043 R1022 51 FB102 VPWR 0 01u C1503 VDD_M 43 TX_MOD_CP 40 42 TX_VCO_FB 41 VDDA12 RF ON TX ON 44 SBCK 45 SBDT SBST 46 82p C1048 33 R10...

Page 86: ...1001 NA L116 C1000 56p 68p C1038 C1007 33p NA L104 100p C1511 L172 4 7nH 1 IN 3 O1 4 O2 B7837 FL102 2 G1 5 G2 R1008 2 2K 4p 1K R1002 C1014 100p C1056 51p 0 75p C1001 33p C1008 33p C1019 0 5p C1827 15 TX_EN VBATT 4 VCC21 8 VCC22 18 13 VCC_OUT VRAMP 6 5 VREG BS 2 1 DCS_PCS_IN DCS_PCS_OUT 16 9 GND1 11 GND2 GND3 12 GND4 14 15 GND5 GND6 17 GSM_IN 7 GSM_OUT 10 19 PGND1 PGND2 20 21 PGND3 3 U102 AND0041 C...

Page 88: ... TP4 TP1 TP2 TP3 1 5 G2 1 IN 4 O2 B7844 FL103 C1052 100u 0 5p C1828 220 R1020 33p C1046 R1018 270 R1021 220 68p C1038 100p C1511 L172 4 7nH R1008 2 2K R1016 15 12 GND6 GND7 13 14 GND8 OUT_DCSPCS 5 OUT_GSM 1 SW1 9 SW2 11 VB 3 10 VC X101 MQW5V0C869M 2 GND1 4 GND2 6 GND3 GND4 7 8 GND5 R1014 15 270 R1019 C1056 51p R1022 51 C1051 33p TX_EN VBATT 4 VCC21 8 VCC22 18 13 VCC_OUT VRAMP 6 5 VREG VPWR BS 2 1 ...

Page 89: ...007 LG Electronics Inc All right reserved Only for training and service purposes 4 6 5 Checking RF Rx Block TP1 GSM850 Rx SAW Input TP2 DCS Rx SAW Input TP3 PCS Rx SAW Input TP4 GSM900 Rx SAW Input 4 TROUBLE SHOOTING 90 TP4 TP2 TP3 TP1 ...

Page 90: ... O2 B7837 FL102 2 G1 5 G2 VREG_RFTX_2 85V 4 7nH L125 008 2K C1032 15p C1040 330p 1000p C1006 C1912 5 6p 2 2nH C1029 100p L114 33p C1043 C1028 0 01u IN 3 O1 4 O2 B7851 FL101 2 G1 5 G2 1 L101 15nH C1015 33p C1004 33p 2 2nH L110 1000p C1033 6 8nH L111 4 7nH L128 L106 NA 4 7nH L108 0 R1037 0 5p C1829 C1031 ECHU1C103JX5 10n VDDA9 31 TX_MOD_C 40 42 TX_VCO_F 36 VDDA10 VDDA11 39 41 VDDA12 GSM900_IN 38 37 ...

Page 92: ...REG_MSME_1 8V C434 VREG_MSMP_2 7V C425 VREG_MSMA_2 6V C423 VREG_TCXO_2 85V C413 power up and system reset assert to MSM Phone booting and PS_HOLD D505 assert to PMIC Start Battery voltg higher than 3 35V D701 high to low when key press VREG_MSMC_1 375V VREG_MSMP_2 7 V VREG_MSME_1 8V VREG_TCXO_2 85V VREG_MSMA_2 6V power up Is clock ok C1133 19 2M X400 pin1 4 32 768Khz Change the Main board Change o...

Page 93: ...rnal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 94 D701 VREG_MSMC VREG_MSME VREG_MSMA VREG_MSMP VREG_TCXO C1133 48Mhz X400 32 768Mhz ...

Page 94: ... Charging current flows into the battery Check Point Troubleshooting Procedure Connection of TA Check the charger connector Charging current path Check the charging current Path Battery Check the battery TA 4 6V Main Battery Charging Current Flow Pass Tr ON 4 2 4 25V Battery FET ON Battery charging circuit Route as equal length as possible ICHARGE ICHARGEOUT R300 smd_2125h_65_r 0 1 VPWR R301 100K ...

Page 96: ...g and service purposes 4 TROUBLE SHOOTING 97 Troubleshooting Flow Start Check the pin and battery Connect terminals of I O connector Connection OK Change I O connector Is the TA voltage 4 6V Change TA Is it charging properly After turning on Q400 Q401 END Change the board NO Yes NO Yes NO Yes ...

Page 97: ...l sequence of TU550 is USB connected to TU550 power on USB_VBUS Q501 go to 5V USB_D go to 3 3V 48M Crystal on USB_VP and USB_VN is triggered USB work Start Q501 3 pin is 5V USB_D is 3 3V 48M clock is running Change the Main board Check Q501 Check U505 Check X200 NO YES YES YES NO NO Cable is inserted YES Insert cable NO Power is on YES Go to power on trouble shooting NO ...

Page 99: ... Troubleshooting USIM Initial sequence of TU550 is USIM_CLK USIM_RST USIM_DATA triggered VREG_UIM_2 85V go to 3 0V USIM IF work Start Work well VREG_UIM_2 85V is 3 0V USIM_P_CLK is run Change the Main board End Check CON500 Yes No YES NO Re insert the SIM card Change SIM card Work well End Yes No VREG_UIM_2 85 USIM_P_CLK USIM_P_DATA USIM_P_RST_N Ground ...

Page 100: ...eshooting Camera control signals are generated by MSM6275 Start Yes NO END Camera is OK Check the camera connector and reconnect the camera Change the Main board Camera is OK Check the CAM_MCLK Change the camera Yes Yes NO NO VREG_CAM_2 7V is 2 7V C413 VREG_CAM_1 8V is 1 8V R480 NO END Yes FB602 Change the Main board Change the Main board R480 FB602 C413 ...

Page 101: ...e purposes 4 TROUBLE SHOOTING 102 4 12 Keypad Backlight Troubleshooting Key Pad Back Light is on as below Key pressing KYBD_BACKLIGHT go to 0V Main LED On Start Change the Main board Check battery NO Yes Yes Key press Change the Main board Yes NO Signal VPWR is above 3 2V VA515 is 0V VA515 VPWR VPWR VPWR ...

Page 102: ...3 Folder ON OFF Troubleshooting Folder On Off is worked as below Folder On Off Event Flip U500 pin 1 is triggered On about 2 1V Off 0V MSM6275 Sense the Folder Event Start Change the Main board Insert the magnet Check the magnet in Folder Assy Approach the magnet to U504 FLIP U504 pin 1 is 0V Yes NO Yes Change the U504 NO U504 pin 1 magnet ...

Page 103: ...ng Main LCD control signals are generated by MSM6275 The signal path is MSM6275 C0N602 CN2 LCD Module Start GO to power on trouble shooting Key LED is on Change the LCD module Yes NO Press END key Disconnect and reconnect The LCD connector CN602 END LCD display OK No Yes END LCD display OK No Yes Change the Main board END LCD display OK No Yes Change the LCD FPCB ...

Page 104: ...o Receiver Path MSM6275 EAR1ON EAR1OP CN602 CN1 Receiver Start The sine wave appears at PIN33 PIN34 CN602 Change the Main board YES Connect the phone to network Equipment and setup call Setup 1KHz tone out NO The sine wave appears at PIN33 PIN34 CN1 Check LCD FPCB Check main upper connector YES NO Can you hear the tone Change receiver YES NO END ...

Page 106: ...16 Headset path MSM6275 HPH_R HPH_L C102 C104 R200 R201 CON100 Earjack Start Sine wave appears at C102 C104 Re solder C102 C104 YES Connect the phone to network equipment and setup call Setup 1KHz tone out and insert headset NO Can you hear the tone Change the Head_Set YES NO END Sine wave appears at R200 R201 Change the Main board YES NO ...

Page 108: ...rt Sine wave appears at R202 R206 Change the Main board NO Connect the phone to network equipment and setup call Setup 1KHz tone out Sine wave appears at C211 R203 and C215 R207 YES Check C211 R203 and C215 R207 or Change the Main board NO SPK_AMP_EN C288 is 2 6V Change the Main board NO YES Sine wave appears at Pin21 22 23 24 of CN602 NO YES YES Soldering speaker OK Re solder speaker NO Can you h...

Page 110: ...or training and service purposes 4 TROUBLE SHOOTING 111 4 18 Main microphone U303 C222 MIC1P MSM6275 Start MIC_BIAS C217 or C218 is 1 8V Change main board NO Make a call Change the MIC NO YES Change the Main board Make sound to MIC Work well END YES NO YES Sine wave appears at C222 ...

Page 112: ...4 19 Headset microphone Headset C106 MIC2P MSM6275 Start EAR_SENSE_N R109 is 0V Yes END Make a call Change the headset or SUB board and retry VREG_MSMP is biased by 2 6V R100 Change the Main B d Yes OK NO NO NO Change the headset and retry YES Change MAIN board NO Sine wave appears at C106 Change the headset or SUB board and retry NO Yes ...

Page 114: ...nect the phone to your desktop PC using the USB cable and run the LGMDP application Before getting started set up LGMDP preferences from the Preferences of the file menu the way you want Click on the File menu and select Preferences 5 2 Downloading Procedure 1 Setup Preferences Play a success sound This is an experimental feature To enable this simply check the box It will be played a wav file whe...

Page 115: ...NLOAD 116 1 Connecting to PC Click on the Select Port and then Select Port window will be pop up Check if state shows Enable for the port to be connected for downloading images Then click on the Connect button The port number COM7 and model name shall be different from that of the port number in the snapshot TU550 TU550 ...

Page 116: ...y for training and service purposes 5 DOWNLOAD 117 The status Ready is displayed when the application is ready for downloading While the images are transmitted from PC to the handset a progressive bar Red box indicating the degree of transmission of data is displayed TU550 TU550 ...

Page 117: ...Inc All right reserved Only for training and service purposes The following slide describes how to use or set options in detail The model name shall be different from that of the model name in the snapshot 5 DOWNLOAD 118 1 2 3 6 4 5 7 8 TU550 TU550 TU550 ...

Page 118: ... The calibration data user contents media and module are erased Only calibration data is kept when NV backup restore is checked Keep All Contents Maintain user data including WAP AD DRM Email Play lists images When downloading a new images user data stated above are maintained if this option is enable 5 Additional Options Display Information is defaulty not selected and user cannot choose Security...

Page 119: ...ect the image folder where all the image files are located by clicking on the Browse button The folder name shall be different from that of the folder name in the snapshot The folder name indicates the path where the image files are located if you select the image folder the program will automatically load images accordingly 5 DOWNLOAD 120 ...

Page 120: ...ght 2007 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 121 if you select the image folder the program will automatically load images accordingly Automatically load images TU550 TU550 TU550 ...

Page 121: ...ile from the LGMDP installation directory by clicking on the Browse button Click on the START button to start downloading Normally LGMDP will downloaded all files that need downloading To download selected image file only simply select the image file that user want to process downloading LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purpos...

Page 122: ...succeeding slides LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes NV backup Erase MODULE directory NV restore Erase MEDIA directory Download MEDIA Download MODULE EFS Erase Download PBL and QCSBL Download OEMSBL Download MODEM Reset Reset Download process Download End Download Start Reset ...

Page 123: ... informs that a new file for NV backup will be created in the displayed file name in the LGMDP installation directory Backing up NV data and backed up NV data will be stored in the LGMDP installation directory Erasing the existing directories and files before the Module image is downloaded Downloading the AMSS modem image TU550 TU550 TU550 TU550 ...

Page 124: ...booting the handset and re establishing the connection Restoring NV data which backed up in the Backing up process User can also restore NV data using NV Default image selection Rebooting the handset and re establishing the connection Erasing the existing directories and files before downloading the selected Media image TU550 TU550 ...

Page 125: ...2007 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 126 Downloading Media image in progress Downloading Module image in progress Downloading process has completed successfully TU550 TU550 TU550 ...

Page 126: ... training and service purposes 5 DOWNLOAD 127 4 Tools Device Manager allows to monitor current hardware that is installed on your PC Device Manager is designed to monitor USB connectivity and check where the COM has been installed Select Device Manager from the Tools of the file menu ...

Page 127: ...h LGMDP by clicking on the Connect button When clicking on the Connect button this checks if the appropriate files such as LFAPP RecMngr bin err directory Debugging_Tip txt or Hidden_info bin are placed on the handset If they are exist then appropriate check boxes are checked accordingly Select directory to store log files by clicking on the button LGE Internal Use Only Copyright 2007 LG Electroni...

Page 128: ...ted and then try to download the images again The phone supports a special mode named emergency mode In this mode minimum units for downloading is running so that users can download the images again in case of emergency situation AMSS Modem Media and Module Images don t be running in this mode LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service ...

Page 129: ... 130 5 DOWNLOAD 3 NV Restore error When you meet the NV Restore error LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes TU550 ...

Page 131: ...al NV Backup files nv2 are shown The files are saved every NV Backup The name is based on the time when NV Backup is done LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes TU550 TU550 ...

Page 132: ...ck on Restore If you want image download and NV backup file restore at once use the NV Default function LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes TU550 TU550 TU550 TU550 TU550 ...

Page 133: ...mage connect the phone normal mode after emergency mode download and then you can do it 4 The NV data saved at LGMDP folder like this 5 Recommended that the Module and Media Image have to be downloaded at the same time 6 Erase EFS option will erase everything media module nv items and user data in the EFS area LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for trai...

Page 134: ...ght 2007 LG Electronics Inc All right reserved Only for training and service purposes 6 BLOCK DIAGRAM 135 6 1 GSM UMTS RF Block Fig 6 1 1 UMTS 850 1900 GSM 850 GSM 900 DCS 1800 PCS 1900 RF Functional Block Diagram 6 BLOCK DIAGRAM ...

Page 136: ...erface Diagram TU550 Interface Diagram LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Ant_Sel 0 1 2 PA_EN Band PA_ramp PA_ON W VMODE N HDET UHF_VCO_Band TRK_LO_ADJ ...

Page 137: ...0 Tx RF signal UMTS 1900 RX UMTS 1900 Rx RF signal TX_I Q I Q for Tx of RF RX_I Q I Q for Rx of RF Control signal red ANT_SEL 0 1 2 Ant Switch Module Mode Selection UMTS GSM850 GSM900 Tx Rx DCS Tx Rx PCS Tx Rx GSM PA_CTL signal GSM_PA_BAND DCS or PCS GSM Mode Selection GSM_PA_EN Power Amp Gain Control Enable GSM_PA_RAMP Power Amp Gain Control GSM DCS_VCO_EN GSM_VCO_EN GSM band Tx VCO Enable DCS_VC...

Page 140: ... 51p C1150 0 1uF 0 75p 100p C1092 C1001 C1912 5 6p 100 R1041 C1135 1000p C1034 33p C1134 1000p C1002 150p 2 2nH C1029 100p L114 100 R1015 L144 8 2nH C1065 15p 33p C1008 33p C1043 C1022 2200p 0 1uF C1042 ECHU1C392JX5 C1098 3 9n C1028 0 01u 0 1uF C1089 C1109 1000p 12p R1022 C1131 100p 51 IN 3 O1 4 O2 C1080 B7851 FL101 2 G1 5 G2 1 C1051 33p 0 1uF C1113 FB102 C1136 1000p L132 NA FB101 0 068u C1140 C11...

Page 141: ...OOT_MODE2 BOOT_MODE3 AD1 BT_CLK_GPIO25 G23 R19 BT_DATA_GPIO20 BT_SBCK_GPIO23 E26 E25 BT_SBDT_GPIO22 BT_SBST_GPIO24 F23 H21 BT_TX_RX_N_GPIO21 J21 CAMCLK_PO_GP_MN_GPIO13 J25 CAMIF_DATA0_GPIO83 CAMIF_DATA1_GPIO81 J26 CAMIF_DATA2_AUX_TRST_N_GPIO54 D21 C25 A2_18 AA14 A2_19 A2_2 AF9 A2_20_GPIO34 AF13 W11 A2_3 A2_4 AC10 A2_5 AA11 AC11 A2_6 A2_7 T12 A2_8 W12 AA12 A2_9 AUXIN AF19 AUXIP AE19 AUXON_AUXOR AC1...

Page 142: ...05 T7 NC106 T13 NC107 NC108 U1 NC109 U3 NC11 B3 U14 NC110 NC111 V1 V2 NC112 NC113 V13 V14 U7 T9 DQ8 DQ9 T10 DQM0 U8 DQM1 T8 DQM2 V7 DQM3 U9 IO1 M11 IO2 M13 IO3 L10 IO4 L12 IO5 J9 IO6 H12 IO7 H10 G12 IO8 NC1 A1 NC10 P5 R5 DQ21 P6 DQ22 DQ23 R6 P9 DQ24 DQ25 P10 R10 DQ26 P11 DQ27 R11 DQ28 DQ29 P12 DQ3 V5 R12 DQ30 DQ31 R13 U5 DQ4 T6 DQ5 DQ6 V6 DQ7 D8 CLE M4 CLK C8 U4 DQ0 DQ1 T4 V10 DQ10 DQ11 T11 U11 DQ...

Page 143: ...REG_MSMP 50 SBST 51 VDD_MSM 52 TCXO_OUT 53 VDD_ANA 54 TCXO_EN 55 VREG_MSMA 56 PS_HOLD 42 RUIM_RST MPP6 43 XTAL_IN 44 SLEEP_CLK 45 XTAL_OUT 46 SBDT 47 VBACKUP 48 SBCK 49 ISNS_M 35 VREG_MSME 36 VSW_MSME 37 RUIM_CLK MPP10 38 VREG_MMC 39 CHG_CTL_N 4 RUIM_M_RST MPP5 40 VDD_RUIM 41 VREG_RUIM 28 VDD_PA 29 ISNS_P 3 RUIM_M_IO MPP11 30 VSW_MSMC 31 VREG_MSMC 32 VDD_MSMC 33 RUIM_M_CLK MPP9 34 VDD_MSME 20 GP1_...

Page 144: ...3 4 5 6 0 R480 RCLAMP0504F U502 1 CLR500 C409 0 1u RA502 NA 2 4 6 8 1 3 5 7 C414 VREG_LCD_2 8V 1u 62 R402 503 OUT 0 1uF C410 FL500 NFM21PC105B1A3 G1 3 4 G2 1 IN 2 R412 680K 1000p C418 smd_1005h_5_r C408 LD511 33p LD514 100 R472 HOT503 100 R495 0 R499 D500 SD12 TCT 7 NC2 NC3 8 VIN 1 VOUT1 10 9 VOUT2 OJ502 11 BGND BYP 4 2 EN1 3 EN2 GND 6 NC1 5 MIC2211 LGYML U503 LD506 DN500 51K R400 15K R409 0 1uF C...

Page 145: ...28 29 3 30 31 32 33 34 4 5 6 7 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 CN600 AXK734247G C503 0 1u 10 R555 VREG_MSMP_2 7V 22 23 24 3 4 5 6 7 8 9 G3 G4 1 10 11 12 13 14 15 16 17 18 19 2 20 21 CN601 G1 G2 1u VREG_MSMP_2 7V C502 C578 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 10u EVRC18S05Q030050R FL601 5 G1 10 G2 1 INOUT_A1 INOUT_A2 EVLC18S02015 VA600 C577 0 1u EVLC14S0...

Page 146: ...05A 1 2 3 4 5 6 RCLAMP0504F R107 U100 0 R102 1M C103 VREG_MSMP_2 7V R105 100K 0 1uF R109 100K R104 100K C109 10p 100 R201 100 R200 39p C108 C107 33 34 4 5 6 7 8 9 39p 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 1 10 11 12 13 14 15 16 17 18 330K CN100 AXK834145YG R103 R101 390K C100 10u tcc_2125h1_2_r CON100 3 1 4 5 2 6 MMC_CMD MMC_DATA VREG_T FLASH_3 0V MMC_CD VREG_T FLASH_3 0V TTY_ADC_DET VREG_...

Page 152: ...Info_Db txt AutoSetup xml Procedure_CU500_Ver0 99 xml Spec_CU500_Ver0 95 xml Main_SequenceD dll Dll_SerialATD dll DLL_PwrControlD dll DLL_E5515CD DLL AT_Serial_Cmd xml PwrSupply_Cmd xml Setup_Cal_Test xml CmMqDll dll ComLMPLib_06 dll ShieldBox_DllD dll Hot_KimchiD exe Rf_AutoMain_Ver1114 dll Setup_RF_AutoTest xml Main_SequenceD dll Dll_SerialATD dll DLL_PwrControlD dll DLL_E5515CD DLL AT_Serial_Cm...

Page 153: ...se on off 6 Auto model name 7 Relative path of auto model procedure spec setting file from Hot_KimchiD exe LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes cal Default TU550 cal TU550 Cal_Model CU500 Jay_Ver0 8A_TU550 dll auto TU550 RF Auto Rf_AutoMain_Ver1114 dll ezlooks off batcal off svc off standalone off tescom off process cal T...

Page 154: ... program in svc turn it on Domestic on Oversea off standalone Oversea factory or SVC on Domestic factory off tescom If you use TESCOM shiedbox turn it on process auto process or cal process TU550 procedure spec setup file name auto process only LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 155: ...escom off process auto Ex2 Domestic factory ezlooks on batcal off svc off standalone off tescom off process auto If Tescom S B is used it should be tescom on AUTO Process Ex1 Service center ezlooks off batcal off svc on standalone off tescom off process cal Ex2 Oversea factory or repair ezlooks off batcal on svc off standalone on tescom off process cal Ex3 Domestic factory ezlooks on batcal on svc...

Page 156: ... model name which you want 2 Click APPLY button to load the cal or auto lib file 3 Click START button to run the procedure which you want LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes TU550 TU550 ...

Page 157: ... 158 9 CALIBRATION 9 3 HOT KIMCHI Example LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Choose Exe_Cu500Ag_100 TU550 TU550 ...

Page 158: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 9 CALIBRATION 159 Click APPLY button Click START button TU550 TU550 TU550 TU550 ...

Page 159: ...l Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Click Run button to lunch RF AUTOTEST CU500 Auto Model CU500 Procedure_cu500_ver0 99 xml Auto Model CU500 Spec_cu500_ver0 99 xml ...

Page 160: ...50 56 57 43 42 45 46 47 44 49 61 62 63 64 65 66 67 68 78 77 76 75 74 73 72 71 69 70 80 79 81 60 51 52 53 54 55 58 14 33 38 39 40 41 59 10 EXPLODED VIEW REPLACEMENT PART LIST 10 1 EXPLODED VIEW LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 162: ...OLDER LOWER MCJH0032103 MOLD PPA VERTON PDX U 03320 Silver 30 5 MDAF00 DECO FOLDER LOWER MDAF0008202 PRESS Al 0 5 Silver 32 5 MFBC00 FILTER SPEAKER MFBC0022801 Without Color 37 5 MGAD00 GASKET SHIELD FORM MGAD0112401 Gold 27 5 MMAA00 MAGNET SWITCH MMAA0001601 7100 magnetic Silver 29 5 MPBG00I PAD LCD MPBG0039701 Black 34 5 MPBN00 PAD SPEAKER MPBN0026201 COMPLEX empty Black 35 5 MPBZ00 PAD MPBZ0113...

Page 163: ...Y CAMERA ACGN0005202 Silver 5 ACGP00 COVER ASSY CAMERA FRONT ACGP0003402 Silver 6 ATBZ00 TERMINAL ASSY ATBZ0001301 Black 54 6 MCJP00 COVER CAMERA FRONT MCJP0005002 MOLD PC LUPOY SC 1004A Silver 53 6 MTAD00 TAPE WINDOW MTAD0048101 COMPLEX empty Without Color 58 5 MBIC00I BUSHING CAMERA LEFT MBIC0001701 MOLD POM TX 31 Without Color 55 5 MCCK00 CAP CAMERA MCCK0003802 MOLD PC LUPOY SC 1004A Without Co...

Page 164: ...E00 CAP RECEPTACLE MCCE0024702 COMPLEX empty Silver 76 4 MCCF00 CAP MOBILE SWITCH MCCF0031102 COMPLEX empty Silver 71 4 MCJN00 COVER REAR MCJN0047103 MOLD PC LUPOY SC 1004A Silver 69 4 MGAZ00 GASKET MGAZ0040301 COMPLEX empty Without Color 64 4 MLAB00 LABEL A S MLAB0001102 C2000 USASV DIA 4 0 White 77 4 MLAN00 LABEL QUALCOMM MLAN0002802 White 70 4 MLAZ00 LABEL MLAZ0044301 PRINTING empty Without Col...

Page 165: ...IBLE SPCY0067301 POLYI 0 4 mm MULTI 4 4 SJMY00 VIBRATOR MOTOR SJMY0007002 3 0 V 0 8 A 4 12 1 5T F1100 SILINDER WIRE 12mm 17 4 SURY00 RECEIVER SURY0009501 ASSY 107 dB 32 ohm 11 07 3T 23 4 SUSY00 SPEAKER SUSY0020601 ASSY 8 ohm 89 dB 15 mm 3 7T 24 4 SVLM00 LCD MODULE SVLM0013102 MAIN 2 0 176 220 _1 17 96 96 39 0 60 2 4 0 262k TFT TM HD66784R AIO Main_TFT Sub_TFT 21 3 ACGM00 COVER ASSY REAR ACGM006460...

Page 166: ... R TP 6 C1012 CAP CERAMIC CHIP ECCH0000187 150 pF 50V J NP0 TC 1005 R TP 6 C1013 CAP CERAMIC CHIP ECCH0000187 150 pF 50V J NP0 TC 1005 R TP 6 C1014 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C1015 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C1016 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C1017 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C...

Page 167: ...IC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C1048 CAP CERAMIC CHIP ECCH0000127 82 pF 50V J NP0 TC 1005 R TP 6 C1049 CAP CHIP MAKER ECZH0000839 4 7 pF 50V C NP0 TC 1005 R TP 6 C105 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 6 C1050 CAP CERAMIC CHIP ECCH0000107 6 pF 50V D NP0 TC 1005 R TP 6 C1051 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C1052 CAP TANTAL CHIP MAKE...

Page 168: ...AMIC CHIP ECCH0000101 5 pF 50V C NP0 TC 1005 R TP 6 C1091 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C1092 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C1093 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C1094 CAP CERAMIC CHIP ECCH0000147 2 2 nF 50V K X7R HD 1005 R TP 6 C1098 CAP CERAMIC CHIP ECCH0000147 2 2 nF 50V K X7R HD 1005 R TP 6 C1099 CAP CERAMIC C...

Page 169: ...IC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C1135 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C1136 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C1137 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C114 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C1140 CAP CERAMIC CHIP ECCH0000165 68 nF 6 3V K X5R HD 1005 R TP 6 C1141 CAP CHIP MAKER ECZ...

Page 170: ...CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C139 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C140 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C141 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C142 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C143 CAP CHIP MAKER ECZH0004402 0 1 uF 16V Z NP0 TC 1005 R TP 6 C144 CAP CERAMIC CHIP ECCH0000182...

Page 171: ...01105 8200 pF 16V K X7R HD 1005 R TP 6 C211 CAP CERAMIC CHIP ECCH0000199 12 nF 16V K X7R HD 1005 R TP 6 C212 CAP CERAMIC CHIP ECCH0000199 12 nF 16V K X7R HD 1005 R TP 6 C213 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C214 CAP CHIP MAKER ECZH0001105 8200 pF 16V K X7R HD 1005 R TP 6 C215 CAP CERAMIC CHIP ECCH0000199 12 nF 16V K X7R HD 1005 R TP 6 C216 CAP CERAMIC CHIP ECCH0000199 12...

Page 172: ...IC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C325 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C326 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C327 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C328 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C355 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C356 CAP CERA...

Page 173: ...P CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C577 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C578 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C777 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R HD 1005 R TP 6 C981 CAP CHIP MAKER ECZH0001420 1 uF 10V K X5R HD 1608 R TP 6 CN501 CONNECTOR ETC ENZY0014301 3 PIN 2 5 mm ETC Battery Connector 6 CN502 CONNECTO...

Page 174: ...D 6 FL109 FILTER SAW SFSY0018201 881 5 MHz 2 0 1 4 0 78 SMD 6 FL110 FILTER SAW SFSY0024901 1960 MHz 2 0 1 4 0 68 SMD 5pin Unbal Bal 50 100 B7834 Low Loss ver 6 FL500 FILTER EMI POWER SFEY0006501 SMD 3 TERMINAL EMI FILTER 6 FL600 FILTER EMI POWER SFEY0010401 SMD 4ch 18V 15pF 50ohm Pb free 6 FL601 FILTER EMI POWER SFEY0010401 SMD 4ch 18V 15pF 50ohm Pb free 6 FL602 FILTER EMI POWER SFEY0010401 SMD 4c...

Page 175: ...REE 6 L141 INDUCTOR CHIP ELCH0005019 68 nH J 1005 R TP 6 L142 INDUCTOR CHIP ELCH0001409 10 nH J 1005 R TP PBFREE 6 L143 INDUCTOR CHIP ELCH0001408 6 8 nH J 1005 R TP Pb Free 6 L144 INDUCTOR CHIP ELCH0001004 8 2 nH J 1005 R TP Pb Free 6 L145 INDUCTOR CHIP ELCH0001407 5 6 nH S 1005 R TP PBFREE 6 L146 INDUCTOR CHIP ELCH0001004 8 2 nH J 1005 R TP Pb Free 6 L148 INDUCTOR CHIP ELCH0003813 47 nH J 1005 R ...

Page 176: ... 16W J 1005 R TP 6 R1002 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 6 R1003 RES CHIP MAKER ERHZ0000402 10 ohm 1 16W J 1005 R TP 6 R1004 RES CHIP ERHY0003401 1800 ohm 1 16W J 1005 R TP 6 R1005 RES CHIP MAKER ERHZ0000465 3300 ohm 1 16W J 1005 R TP 6 R1006 RES CHIP ERHY0011601 11 Kohm 1 16W F 1005 R TP 6 R1008 RES CHIP ERHY0000186 2 2 Kohm 1 16W F 1005 R TP 6 R1009 RES CHIP MAKER ERHZ0000267...

Page 177: ...1005 R TP 6 R1037 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP 6 R1038 RES CHIP ERHY0005902 5 62 Kohm 1 16W F 1005 R TP 6 R1039 RES CHIP ERHY0005902 5 62 Kohm 1 16W F 1005 R TP 6 R104 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R1040 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R1041 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 6 R1042 RES CHIP ERHY0003301 100 ohm 1 16W...

Page 178: ...6 R301 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R302 RES CHIP MAKER ERHZ0000439 200 Kohm 1 16W J 1005 R TP 6 R303 RES CHIP MAKER ERHZ0004201 121000 ohm 1 16W F 1005 R TP 6 R304 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R305 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R306 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 6 R307 RES CHIP MAKER ERHZ0000406 1...

Page 179: ... 16W J 1005 R TP 6 RA500 RES ARRAY R ERNR0000403 10000 ohm ohm 8 PIN J 1 32 W SMD R TP 6 SW100 CONN RF SWITCH ENWY0003301 SMD 0 4 dB 6 U100 FILTER SEPERATOR SFAY0005701 900 1800 0 95 dB 1 05 dB 30 dB 25 dB 4532 GSM Quad UMTS Dual Mode ASM 6 U101 IC EUSY0203802 QFN 56 PIN R TP GSM WCDMA TRANSMITTER GSM RECEIVER 6 U102 PAM SMPY0009901 33 dBm 50 A dBc dB 7 7 1 3 SMD GSM EDGE PAM 6 U104 COUPLER RF DIR...

Page 180: ...005 6 VA505 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA506 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA507 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA508 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA509 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA510 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA511 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA512 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA513 VARI...

Page 181: ...ite LED 6 LD510 DIODE LED CHIP EDLH0005901 White 1608 R TP White LED 6 LD511 DIODE LED CHIP EDLH0005901 White 1608 R TP White LED 6 LD513 DIODE LED CHIP EDLH0005901 White 1608 R TP White LED 6 LD514 DIODE LED CHIP EDLH0005901 White 1608 R TP White LED 6 LD515 DIODE LED CHIP EDLH0005901 White 1608 R TP White LED 6 LD520 DIODE LED CHIP EDLH0005901 White 1608 R TP White LED 6 LD521 DIODE LED CHIP EDL...

Page 182: ...9002 TU550 MODEM V10c APR 20 2007 TEL AU 1 3 SAJY00 PCB ASSY SUB SAJY0015801 61 4 MPBZ00 PAD MPBZ0152001 COMPLEX empty Without Color 4 SAJE00 PCB ASSY SUB SMT SAJE0011401 5 SAJC00 PCB ASSY SUB SMT BOTTOM SAJC0006701 6 BAT100 BATTERY CELL LITHIUM SBCL0001305 3 V 1 mAh COIN SMT Temp 260 degree PB Free B B 6 C100 CAP TANTAL CHIP MAKER ECTZ0003701 10 uF 6 3V M STD 2012 R TP 6 C102 CAP TANTAL CHIP MAKE...

Page 183: ...ERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C118 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R TP 6 CN100 CONNECTOR BOARD TO BOARD ENBY0025801 34 PIN 0 4 mm ETC H 1 5 Header 6 R101 RES CHIP MAKER ERHZ0000477 390 Kohm 1 16W J 1005 R TP 6 R102 RES CHIP MAKER ERHZ0000407 1000 Kohm 1 16W J 1005 R TP 6 R103 RES CHIP MAKER ERHZ0000467 330 Kohm 1 16W J 1005 R TP 6 R104 RES CHIP MAKER ...

Page 184: ...TU550 BATT Pb Free 3 7 1000 0 2C PRISMATIC 50x38x47 SILVER Hardpack Silver 3 SGDY00 DATA CABLE SGDY0010701 DC US02K USB Datacable ground contact first 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003607 CU320 STEREO 2 5PIE 3 SMZY00 MODULE ETC SMZY0014203 512MB MicroSD 3 SSAD00 ADAPTOR AC DC SSAD0007850 FREE 50 Hz 4 6 V 0 8 A C TICK AUSTRALIA ADAPTOR AC DC SSAD0007863 FREE 50 Hz 4 6 V 0 8 A C TICK 3G 10 3 ...

Page 185: ...Note ...

Page 186: ...Note ...

Search results

Summary of Contents for TU550

Reviews:

Related manuals for TU550

Brands by name

Popular brands

LG TU550, Service Manual

Search results

Summary of Contents for TU550

Reviews:

Related manuals for TU550

Brands by name

Popular brands